7th Class Mathematics Algebraic Expressions Question Bank Algebraic Expressions

  • question_answer
    If \[C=\frac{x-a}{a-b},\] find the value of x.

    A)  \[\frac{bC-a}{C-1}\]                        

    B)  \[\frac{C-a}{C-b}\]

    C)  \[\frac{C+a}{C+b}\]       

    D)         \[\frac{1-C}{a-bC}\]

    Correct Answer: A

    Solution :

     \[C=\frac{x-a}{x-b}\] \[\Rightarrow \]  \[C(x-b)=x-a\]\[\Rightarrow \] \[x=\frac{bC-a}{C-1}\]


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